5 results about "Sorel cement" patented technology

A variety of methods, systems, and compositions are disclosed, including, in one embodiment, a cement composition comprising an alkaline earth metal oxide, a soluble salt, a water-proofing agent comprising a divalent cation carbonate coated with fatty acid, and water. In other embodiments, the cement composition is introduced and allowed to set in a subterranean formation.

This invention discloses a microbial self-healing bio-aggregate, belonging to the field of concrete material technology. It is composed of microorganisms, low-alkali cement, synergistic repair components, and nano-active fillers. The microorganisms are *Bacillus pasteurellii*, the low-alkali cement is sulfoaluminate cement, the synergistic repair components include urea as a metabolic substrate and organic calcium salts as an external calcium source, and the nano-active fillers are nano-silica or nano-calcium carbonate. The internal pore pH value of the low-alkali cement stone is 9.0 to 11.0. When the bio-aggregate is incorporated into concrete as a functional aggregate and cracks form along with the concrete, and water enters the cracks, the microorganisms inside the low-alkali cement stone react with the synergistic repair components under the influence of water, forming mineralized deposits at the crack locations to achieve crack repair.

The invention discloses a low-alkali cement-based aqueous metal ion electrode which is prepared by the following steps: fully mixing conductive organic polymer powder, low-alkali cement-based material powder and conductive agent powder to obtain a positive electrode mixture; wherein the low-alkali cement-based material powder is composed of a calcareous raw material, a clay raw material and correction raw material powder; adding a solvent into the positive electrode mixture, and fully mixing and stirring to obtain electrode slurry; the electrode slurry is placed in an electrode mold for a hydration reaction, and the low-alkali cement-based water-based metal ion electrode is prepared; the low-alkali cement-based battery positive electrodes with different compressive strength and electrochemical properties are obtained by adjusting the solvent addition amount, the hydration reaction temperature and the hydration reaction time, and the battery is assembled; the compressive strength of the obtained organic polymer combined low-alkali cement electrode is not lower than 1 MPa; the specific capacity of the battery electrode is not less than 10mAh / g, the battery electrode can be stably circulated for more than 2000 times, and the whole life cycle of the cement material can be basically covered by calculating the charge-discharge cycle time.

The utility model discloses a rapid detection device for low-alkali cement, which is applied to the technical field of cement detection and comprises a working table, a support is bolted at the top of the working table, a flue gas purification device is bolted at the top of the support, and a cement detector body bolted with the working table is arranged between the working table and the support. And the isolation cover slides downwards to cover the surface of the smoke outlet, so that white smoke is prevented from being mixed with external air, the extraction effect of the white smoke is guaranteed, and omission is avoided. And meanwhile, when the isolation cover is reset, the threaded pipe can be inserted and sealed through the sealing plug, and white smoke is prevented from backflow. And the sliding frame is driven to slide downwards through the elastic force of the spring, so that the filter screen is tightly pressed at the top of the smoke outlet, and discharged white smoke is filtered. And other impurities such as cement dust are prevented from entering the smoke extraction pipe to block the interior of the smoke extraction pipe, the white smoke extraction efficiency is guaranteed, and practicability is improved.

The invention relates to the technical field of building wall materials, and particularly discloses a cold-formed thin-walled steel light polymer composite wallboard with crack resistance and thermal insulation performance, which comprises a cold-formed thin-walled steel skeleton and an enhanced light polymer filler filled in the cold-formed thin-walled steel skeleton, the enhanced light polymer filler is prepared from the following components in parts by weight: 32 to 36 parts of low-alkali cement, 9 to 13 parts of metakaolin, 16 to 21 parts of modified closed cell perlite, 9 to 13 parts of hollow glass beads, 1.8 to 2.6 parts of epoxy modified basalt fiber and 0.4 to 0.9 part of graphene oxide. A composite base material is constructed through low-alkali cement and metakaolin, modified closed cell perlite and hollow glass beads are matched to form a two-stage thermal insulation aggregate, and by combining the elastic buffering effect of a polycaprolactone glycol modified polyurethane prepolymer and the self-repairing function of urea-formaldehyde resin coated epoxy resin microcapsules and an amine latent curing agent, the thermal insulation performance of the composite base material is improved. And the effect of collaborative optimization of heat preservation and crack resistance is achieved.